pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / analyzers / common / src / java / org / apache / lucene / analysis / pt / PortugueseMinimalStemmer.java

diff --git a/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/java/org/apache/lucene/analysis/pt/PortugueseMinimalStemmer.java b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/java/org/apache/lucene/analysis/pt/PortugueseMinimalStemmer.java
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+++ b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/java/org/apache/lucene/analysis/pt/PortugueseMinimalStemmer.java
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+package org.apache.lucene.analysis.pt;
+
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Minimal Stemmer for Portuguese
+ * <p>
+ * This follows the "RSLP-S" algorithm presented in:
+ * <i>A study on the Use of Stemming for Monolingual Ad-Hoc Portuguese
+ * Information Retrieval</i> (Orengo, et al)
+ * which is just the plural reduction step of the RSLP
+ * algorithm from <i>A Stemming Algorithmm for the Portuguese Language</i>,
+ * Orengo et al.
+ * @see RSLPStemmerBase
+ */
+public class PortugueseMinimalStemmer extends RSLPStemmerBase {
+  
+  private static final Step pluralStep = 
+    parse(PortugueseMinimalStemmer.class, "portuguese.rslp").get("Plural");
+  
+  public int stem(char s[], int len) {
+    return pluralStep.apply(s, len);
+  }
+}